وینزہو کیکسن کیکسن میٹل کمپنی ، لمیٹڈ
سٹینلیس سٹیل کیا ہے؟ 316ایل (US 31603)1.4404?
1.4404 is an acid-resisting austenitic stainless steel with 17% کروڑ, 12% Ni and 2,0% مو. Due to its Mo content, this material has a significantly improved corrosion resistance compared to stainless steels. 1.4404 is resistant to reducing action of organic and inorganic acids as well as against halogen-containing media. Furthermore, this steel is less susceptible to pitting. The low carbon content also improves the resistance to intergranular corrosion and allows use at higher temperatures up to 450 ° C in continuous operation. 1.4404 can be cold worked and weld excellent. This material is mainly used in the chemical, textile and paper industries, and is often used in apparatus, in sanitary industry and in pipe fabrication.
Equivalent Grades of Stainless Steel 1.4404
| یورپی یونین میں | USA – | جرمنی سے,ڈبلیو این آر | جاپان وہ | فرانس افنور | انگلینڈ بی ایس | اٹلی یو این آئی | چین جی بی | سویڈن ایس ایس | پولینڈ پی این | چیکیا CSN | فن لینڈ ایس ایف ایس | آسٹریا اونرم | Inter ISO |
| X2CrNiMo17-12-2 (1.4404) | 316ایل | X2CrNiMo17-13-2 | SUS316SUS316L | Z2CND17-12Z3CND17-11-02Z3CND18-12-02 | 316S11 | X2CrNiMo17-12X2CrNiMo17-17-12 | 00Cr17Ni14Mo20Cr18Ni12Mo2Ti | 2348 | 00H17N13M200H17N14M2 | 17349 | 750 | X2CrNiMo17-13-2KKW | Type19 |
ایس ایس 1.4404 کیمیائی ساخت(%)
| سی | اور | Mn | پی | ایس | کروڑ | مو | میں | ن |
| ≤ % | ≤ % | ≤ % | ≤ % | ≤ % | % | % | % | ≤ % |
| 0,03 | 1,0 | 2,0 | 0,045 | 0,015 | 16,5-18,5 | 2,0-2,5 | 10,0-13,0 | 0,11 |
مکینیکل پراپرٹیز
The values given refer to the diameter range ≤ 160 (Ø in mm) اور 160 < d ≤ 250 (Ø in mm)*
Hardness in HB: ≤ 215
Yield strength Rp0.2 in Mpa: ≥ 200
Yield strength Rp1.0 in Mpa: ≥ 235
Strength / tensile strength Rm in Mpa: 500-700
Elongation at break A in % (longitudinal) at ≤ 160: ≥ 40
* These figures refer to mechanical properties at room temperature in the solution-annealed state (according to EN 10088-3)
فزیکل پراپرٹیز
| Density in kg/dm3 | 8,0 |
| Thermal conductivity at 20°C in W/(m K) | 15 |
| Electr. Resistance at 20°C (Ω mm2 /m) | 0,75 |
| Specific heat capacity at 20°C (J/kg K) | 500 |
Supplied Forms
چادر;پٹی;ٹیوب;بار;پائپ;پلیٹ;متعلقہ اشیاء & Flanges;Angle.
سنکنرن مزاحمت
Due to the low carbon content, the material 1.4404 is resistant to intercrystalline corrosion but not sea water resistant. In natural environmental media and moderate concentrations of chlorine and salt, this grade of material has excellent corrosion resistance.
من گھڑت
تمام سٹینلیس سٹیل کی فیبریکیشن صرف سٹینلیس سٹیل کے مواد کے لیے وقف کردہ ٹولز کے ساتھ کی جانی چاہیے۔. استعمال کرنے سے پہلے ٹولنگ اور کام کی سطحوں کو اچھی طرح سے صاف کرنا ضروری ہے۔. یہ احتیاطی تدابیر اسٹین لیس سٹیل کی آسانی سے زنگ آلود دھاتوں کے ذریعے آلودگی سے بچنے کے لیے ضروری ہیں جو کہ من گھڑت پروڈکٹ کی سطح کو رنگین کر سکتی ہیں۔.
گرمی کا علاج
Cold Working
گریڈ 316 is readily brake or roll formed into a variety of parts. It is also suited to stamping, heading and drawing but post work annealing is recommended to relieve internal stresses.
Cold working will increase both strength and hardness of 316 سٹینلیس سٹیل.
گرم کام کرنا
All common hot working processes can be performed on 316 سٹینلیس سٹیل. Hot working should be avoided below 927°C. The ideal temperature range for hot working is 1149-1260°C. Post-work annealing is recommended to ensure optimum corrosion resistance.
مشینی صلاحیت
AISI 316L stainless steel has medium machinability. In direct comparison, the machinability of this stainless steel grade is better than that of اے آئی ایس آئی 316/1.4401 due to its lower carbon content.
ویلڈنگ
AISI 316L stainless steel (1.4404 / X2CrNiMo17-12-2) has excellent weldability. The material can be used with all common welding methods (with the exception of gas welding). The addition of a welding filler metal and subsequent heat treatment are not normally required. Resistance to intergranular corrosion is not affected by welding.
Applications
- Pulp and paper equipment;
- Heat exchanger;
- Dyeing equipment;
- Film processing equipment;
- Pipeline;
- Materials for exterior construction in coastal areas;
- Watch bracelet, case, وغیرہ. for advanced watches;
- Equipment for the use of marine, chemicals, dyes, paper, oxalic acid, fertilizer, etc.;
- Food industry;
- Rope;
- CD pole;
- Bolts and nuts;